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Minnie Eratum

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Richard K07/07/2013 07:48:08
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Hi! I don't know if I have picked the correct thread, (if not could a mod move it).

Does anybody know of an eratum / error list for the 1" Minnie - book / drawings.

Thanks

mick H07/07/2013 08:20:53
679 forum posts
19 photos

For what it is worth Richard, I made a Minnie from the book and had no problems. Mind you, it was my first ME project and it could be that I was too daft to notice any errors. Obviously nothing too serious though.

Mick

JasonB07/07/2013 12:36:07
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Same here I made mine from the book and it runs fine

Richard K26/07/2013 18:35:32
9 forum posts

Thanks to you both. I'm a bit late responding as I've been away.

The reason I asked the question was because I remember reading a letter in the mag on the subject of a database for eratum / errors, and I had just discovered the set over angle error for the chimney taper. I obviously wondered if there were any more.

Genrally I have found the book to be very good and helpful.

JasonB26/07/2013 18:47:53
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Did not notice any error on the chimney taper. Book says "about 1.5deg " and adjust to suit as you get towards teh final cut. If you work it out the angle is 1.43deg. If you can set your topslide using the scale to 0.07deg good luck to you. wink 2

J

Richard K22/08/2013 18:28:09
9 forum posts

Slow response by me as usual. I saw this as an error as my final set over was about 3/4 deg and produced the correct top & bottom dimensions on the flue.

I stupidly assumed the lathe gradutions to be reasonably accurate and that the 1.5deg was the included angle. I did at the time run a DTI over the topslide to check that it was parallel with the bed when I reset it to 0deg, which it was near enough. I did not check by calculation at the time, I've done so since and phisicallychecked the actual angle of the flue itself.

Since your replies I have been trying to no avail to find the source of the problem. (Starting to think I must have dreampt it)

Lathe is a Chester DBV 10 just a year or so old.

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